Distribution Code for Northern Ireland
The Distribution Code is designed to permit the development, maintenance and operation of an efficient, co-ordinated and economical distribution system and generally to facilitate competition in the generation and supply of electricity.
Distribution Code - Issue 3
This code establishes the rules governing the operation, maintenance and development of the distribution system and sets out the procedures for governing the actions of all distribution system users.
In accordance with the code NIE Networks has established and maintains a Distribution Code Review Panel that reviews and makes amendments to the code as necessary.
Distribution Code - Issue 3 Notes
This version of the code includes amendments made to Large Scale Generator (LSG) interface protection settings, effective from 17 October 2017. These amendments are detailed in the following consultation response documents:
NIE Networks is currently consulting on proposed amendments to Small Scale Generator (SSG) interface protection settings. The consultation is available to download [573kB PDF].
Responses are requested by 22 January 2018.
Setting Schedules accompany the Distribution Code providing additional technical detail. These documents are considered part of the Distribution Code and fall under the governance of the Distribution Code Review Panel.
The SSG Setting Schedule applies to Power Stations with a registered capacity from 100kW to under 5MW.
SSG Setting Schedule